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Tool
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Safety Practices and Guard Requirements
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| Bandsaw |
Safety Practices:
- Wear approved safety glasses.
- Do not wear neckties, loose sleeves, or loose-fitting garments.
- Roll up long sleeves above the elbow.
- Do not wear jewelry such as rings, bracelets, wristwatches, or necklaces.
- Contain long hair; do not allow it to hang loose.
- Do not wear gloves while operating this equipment.
- Check that the area around the bandsaw is free of clutter, trip hazards, soiled rags, and flammable or combustible material.
- Locate the power shut-off switch before machine operation.
- Verify that all machine doors are closed and guards are in place before beginning a cutting operation.
- Establish a cutting strategy before beginning a cutting operation. For instance, plan cuts to avoid backing out of a kerf.
- Consult the "job select" chart for the proper blade and the correct speed for the material to be cut (wood, metal, plastic, etc.). Select a blade of proper pitch by ensuring that a minimum of two teeth are in contact with the work piece material at all times.
- Adjust the top blade guide to within approximately 1/8 inch (3.175 millimeter) of the work piece.
- Adjust the blade speed as recommended for the material being cut and the blade being used.
- Allow the machine to reach full operational speed before sawing.
- Use the specified lubricant (such as wax) when appropriate during cutting operations to help prevent buildup of metal in the blade teeth.
- Feed the material at a speed that avoids overloading the machine.
- Keep hands and fingers in a position where there is no danger of them slipping into the blade.
- Do not pass fingers or hands within 4 inches of the blade. Use a push stick when cutting small pieces of material, as appropriate.
- When it is necessary to use a jig or other material guide, the guide should be clamped to the table with a C-clamp or an approved band saw clamp.
- Avoid pinching the blade while guiding the work piece through a sharp contour.
- If a blade hangs, stops or breaks, do not touch it until the power has been turned off and the machine has come to a complete stop. Then clear the jam, adjust the blade, or repair the machine as necessary.
- Allow the machine to come to a complete stop (no motion behind the guard doors) before leaving the machine or attempting to open guard doors, clean the machine, or remove scrap stock or chips.
- Clean up all scrap material from the machine and floor after completing the operation.
- Report all equipment operation problems to management; tag the equipment for non-use and lock it out as necessary.
Guard Requirements:
- Ensure that all portions of the saw blade are enclosed or guarded, except for the working portion of the blade between the bottom of the guide rolls and the table.
- Ensure that bandsaw wheels are fully encased with the appropriate guards.
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| Belt and Disk Sander |
Safety Practices:
- Wear approved safety glasses and face shield.
- Do not wear neckties, loose sleeves, or loose-fitting garments.
- Roll up long sleeves above the elbow.
- Do not wear jewelry such as rings, bracelets, wristwatches, or necklaces.
- Contain long hair; do not allow it to hang loose.
- Do not wear gloves while operating this equipment.
- Check that the area around the sander is free of clutter, trip hazards, soiled rags, and flammable or combustible material..
- Locate the power shut-off switch before machine operation.
- Inspect and verify that the sanding belt or disc is not loose or torn.
- When replacing a belt, install it with the directional arrows pointing in the direction of machine rotation..
- Before applying power, put the work rest (freehand) in place and adjust it as close as possible (1/8 inch or 3.175 millimeter maximum clearance) to the sanding belt or disc.
- Check the belt alignment to ensure proper tracking alignment before beginning an operation. You may adjust the belt alignment with the power on, if necessary.
- Allow the machine to reach full speed before sanding.
- Hold the work in such a manner that your hands or fingers will not touch the abrasive surface of the sanding belt or disc if they slip from the work piece.
- Do not hold the work piece above the work rest or attempt to sand small work pieces without a jig designed to hold them.
- Keep work moving across the face of the sanding belt or disc.
- Only sand on the down side of the disc sander.
- Do not apply excessive pressure. This will burn the work piece and overload the machine.
- Allow the machine to come to a complete stop before leaving, adjusting, or attempting to clean it.
- Clean up the machine and work area of all filings and dust particles after use; inspect any dust collection system during regular scheduled maintenance checks and empty the system as required.
- Report all equipment operation problems to management; tag the equipment for non-use and lock it out as necessary.
Guard Requirements:
- Ensure that belt sanding machines are outfitted with guards at each nip point where the sanding belt runs onto a pulley.
- Ensure that the unused run of the sanding belt is guarded against accidental contact.
- Ensure that each disk sanding machine has the exhaust hood, or other guard if no exhaust system is required, arranged so as to enclose the revolving disk above the table.
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| Bench and Pedestal Grinders and Cutoff Machines |
Safety Practices:
- Wear approved safety glasses and a face shield.
- Do not wear neckties, loose sleeves, or loose-fitting garments.
- Roll up long sleeves above the elbow.
- Do not wear jewelry such as rings, bracelets, wristwatches, or necklaces.
- Contain long hair; do not allow it to hang loose.
- Do not wear gloves while operating this equipment.
- Only one operator at a time shall use the grinder, even though two grinding wheels may be available.
- Check that the area around the grinder is free of clutter, trip hazards, soiled rags, and flammable or combustible material.
- Locate the power shut-off switch before machine operation.
- Select the proper grinding wheel for the work to be performed.
- Do not operate grinding or abrasive wheels above the speed recommended by the manufacturer.
- Perform a ring test on any wheel before installing it.
- Use blotters between the flanges and grinding wheel, except for diamond wheels.
- Do not lay tools or stock on the machine.
- Visually inspect the grinding wheel for cracks and other faults before beginning a grinding operation. Never use a damaged wheel. Ensure correct wheel mounting and balance. Note: The grinding wheels are very fragile. Handle with care.
- Verify that the wheel guards are installed and in the proper position. Ensure that any shields are clean for proper visibility.
- Allow the machine to come to a complete stop before making any adjustments.
- Verify that the tool rest is not over 1/8 inch away from the wheel and that the top tongue guard is not more than 1/4 inch from the wheel before beginning a grinding operation. Adjust the clearance and angle of the tool rest as necessary.
- Keep hands and fingers a minimum of 6 inches away from the wheel while it is rotating.
- Always stand to one side when turning on the power.
- Allow the machine to reach full speed before using the equipment.
- Use only an approved clamping device. Do not use gloves, pliers, etc., to hold small parts.
- Do not force work against the grinding wheel or use a wheel that is glazed or loaded.
- Dress the wheel if it is glazed or loaded.
- Keep the work piece in motion across the face of the wheel. Do not grind on the sides of the wheel.
- Do not burn or overheat the work; quench as needed using the proper coolant.
- Do not grind nonferrous metals, wood, or plastics on grinders.
- Allow the grinding wheel to come to a complete stop, with the power off, before cleaning or leaving the grinder.
- Clean up the machine and floor of any dust and metal particles.
- Report all equipment operation problems to management; tag the equipment for non-use and lock it out as necessary.
Guard Requirements:
- Ensure that the safety guard covers the spindle end, nut, and flange projections.
- Ensure that the safety guard is mounted to maintain proper alignment with the wheel.
- Ensure that the splash shields are used with the cutoff machine.
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| Chain Mortiser |
Safety Practices:
- Wear approved safety glasses.
- Do not wear neckties, loose sleeves, or loose-fitting garments.
- Roll up long sleeves above the elbow.
- Do not wear jewelry such as rings, bracelets, wristwatches, or necklaces.
- Contain long hair; do not allow it to hang loose.
- Check that the area around the chain mortiser is free of clutter, trip hazards, soiled rags, and flammable or combustible material.
- Check the setup before machine startup.
- Clamp material securely in place.
- Check the chain for proper tension and lubrication prior to use.
- Feed chain slowly and smoothly into the work piece.
- After 10 minutes of use, turn off the machine, wait until it comes to a complete stop, and recheck chain tension.
- Clean up all scrap material from the machine and floor after operations are complete.
- Report all equipment operation problems to management; tag equipment for non-use and lock it out as necessary.
Guard Requirements:
- Use safety bit chucks without projecting set screws.
- Ensure boring bits are provided with a guard that will enclose all portions of the bit and chuck above the material being worked.
- Ensure that the top of the cutting chain and drive mechanism are enclosed.
- Ensure universal joints on spindles of boring machines are completely enclosed in a way that prevents you from accidentally touching them.
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| Cylindrical Grinder |
Safety Practices:
- Wear approved safety glasses.
- Do not wear neckties, loose sleeves, or loose-fitting garments.
- Roll up long sleeves above the elbow.
- Do not wear jewelry such as rings, bracelets, wristwatches, or necklaces.
- Contain long hair; do not allow it to hang loose.
- Check that the area around the grinder is free of clutter, trip hazards, soiled rags, and flammable or combustible material.
- Locate the power shut-off switch before machine operation.
- Verify that all guards and splash shields are in the proper position before beginning an operation.
- Use the proper wheel for the material to be ground.
- Visually inspect and ring test grinding wheels before mounting.
- Visually inspect the grinding wheel for cracks and other faults before beginning a grinding operation. Never use a damaged wheel. Balance the wheel using the proper balancing stand for the wheel size. Note: The grinding wheels are very fragile. Handle with care.
- Use blotters between the flanges and the wheel, except for diamond wheels.
- Perform a ring test on any wheel prior to installation.
- Do not lay tools or stock on the machine.
- Use proper support for long stock.
- Exercise caution when mounting and removing work piece parts.
- Do not leave the machine unattended unless it has reached a complete stop with the power off (except for the spindle when a warm-up cycle is required).
- Allow the machine to come to a complete stop before making any adjustments. Do not adjust setups and tooling or make measurements while the machine spindle is rotating.
- Check and set the proper speed, feed, and depth of cut for the type of material being machined.
- Check clearances before engaging the spindle. Turn the machine through one complete cycle by hand.
- Do not leave the chuck wrench in the chuck at any time.
- Keep hands and fingers away from the rotating chuck and wheel while grinding.
- Allow the wheel to come to a complete stop before attempting to clean the machine.
- Clean up the machine and work area using a brush and rags. Do not use compressed air.
- Shut off the machine's power and return all tools and equipment to the proper storage place.
- Report all equipment operation problems to management; tag the equipment for non-use and lock it out as necessary.
Guard Requirements:
- Ensure safety guards cover the spindle end, nut, and flange projections.
- Ensure the safety guard is mounted to maintain proper alignment with the wheel.
- Ensure the splash shields are used with the machine.
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| Drill Press |
Safety Practices:
- Wear approved safety glasses.
- Do not wear neckties, loose sleeves, or loose-fitting garments.
- Roll up long sleeves above the elbow.
- Do not wear jewelry such as rings, bracelets, wristwatches, or necklaces.
- Contain long hair; do not allow it to hang loose.
- Do not wear gloves while operating this equipment.
- Locate the power shut-off switch before machine operation.
- Select the correct size and type of drill bit, check the drill bit for sharpness.
- Select the correct speed for the drill bit size and the type of material to be drilled.
- Tighten the drill bit securely in the chuck and remove the key.
- Use a center punch to mark the location of the hole.
- Back up thin work pieces with a wooden block.
- Position the work piece and clamp it securely in place to the table. Note: Do not attempt to hold the work material by hand unless you are countersinking.
- Use the proper coolant, lubricant, or cutting fluid for the machining operation being performed.
- Inspect the operation setup before applying power.
- Operate the feed so that the drill bit cuts evenly into the work material. Note: Proper chip formation governs the feed rate.
- Ease up on feed pressure as the drill bit begins to break through the work material. The drill bit may try to "hang" as it breaks through.
- Back the drill bit out as soon as the hole is completed.
- If the work piece comes loose or hangs on the drill bit, maintain pressure on the work and shut off the power to the machine.
- Do not attempt to slow the spindle by grabbing the chuck with your hand.
- Allow the machine to come to a complete stop with the power off before leaving the machine; adjusting, repairing, or cleaning the machine; or removing scrap stock or chips.
- Use a brush to clean up the machine, holding devices, drill bits, and floor. Do not use a rag or compressed air.
- Return all tools and equipment (bits, cutting fluid, holding devices, etc.), to their proper locations.
- Report all equipment operation problems to management; tag the equipment for non-use and lock it out as necessary.
Guard Requirements:
- Ensure that all pulleys and belts are fully encased.
- Ensure that there is a moveable shield between your body and the spindle or drill bit.
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| Drill/Milling Machine |
Safety Practices:
- Wear approved safety glasses.
- Do not wear neckties, loose sleeves, or loose-fitting garments.
- Roll up long sleeves above the elbow.
- Do not wear jewelry such as rings, bracelets, wristwatches, or necklaces.
- Contain long hair; do not allow it to hang loose.
- Do not wear gloves while operating this equipment.
- Check that the area around the machine is free of clutter, trip hazards, soiled rags, and flammable or combustible material.
- Locate the power shut-off switch before machine operation.
- Inspect the operation setup before applying power.
- Verify that the work piece and cutter (end mill) are securely fastened before starting the milling operation.
- When machining/milling metal, replace the drill chuck with the proper size end mill arbor that corresponds with the cutter to be used in the operation. Do not use cutters in drill chucks.
- Use the proper tool to remove the chuck. Avoid letting the chuck hit the table as it comes out.
- Insert the proper arbor and verify that it is securely mounted into the shaft. Use a hammer and block to set the arbor into the shaft.
- Handle cutters carefully--they are extremely sharp.
- Select the correct size and type of cutter and visually inspect it for damage and sharpness. Restrict plunge cutting to 2 flute cutters.
- Tighten the end mill securely in the arbor and remove the key.
- When making through cuts on flat material, use spacers to raise the material to prevent inadvertently machining the table.
- Position the work piece on the table and clamp it securely to the table. Do not attempt to hold the material by hand!
- Allow the machine to come to a complete stop before adjusting the setup or making any measurements.
- Do not leave tools or material on the machine during machining operations, unless a tool tray is supplied.
- Use the proper coolant, lubricant, or cutting fluid for the machining operation being performed. Clean up excess coolant with wipes and dispose of them in the proper waste disposal can.
- Select the correct speed for the size of cutter and the type of material to be machined. Adjust speed with the machine running.
- Keep hands and fingers away from the cutter while it is running.
- Verify that the cutter is rotating in the proper direction before beginning the cut.
- Do not use excessive speed, and feed the material into the machine so that the cutter evenly mills the work piece.
- If the work piece or cutter comes loose, shut off the power to the machine, wait until the machine comes to a complete stop, and then correct the problem.
- If machining foam material, use a vacuum cleaner to keep dust and chips to a minimum.
- Allow the machine to come to a complete stop before attempting to remove the work piece or parts, cleaning the machine, removing scrap stock or chips, and before leaving the work area.
- Do not attempt to slow the spindle by grabbing the chuck or arbor with your hand.
- Use a brush or vacuum cleaner to clean the machine, holding devices, drill bits, and floor of chips or scrap material. Do not use a rag or compressed air. (A rag may be used to clean off dust and coolant after the large chips have been removed.)
- Shut off the machine's power and return accessories (cutters, cutting fluid, holding devices, etc.) to their proper locations.
- If an arbor was used during the machining, reinstall the chuck.
- Report all equipment operation problems to management; tag the equipment for non-use and lock it out as necessary.
Guard Requirements:
- Ensure that all pulleys and belts are fully encased.
- Ensure that the spindle and end mill are guarded by a shield during machining operations.
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| Force Measuring Machine |
CAUTION: Failure to use the proper size loading ball or using a loading ball of the wrong material may cause injuries or severely damage the standard, the force device under test, or the testing apparatus.
Safety Rules:
- When operating this equipment wear approved safety glasses in the immediate work area.
- Inspect the force measuring machine for defects before machine operation. Verify that the load-frame or dead-weight apparatus is leveled.
- Visually inspect any hydraulic lines to ensure that they are not cracked, blistered, or broken.
- Locate the pressure release valve prior to machine operation.
- Center the load frame within the clearance holes in the main frame before each load application.
- Check that load values have been selected within the maximum range of both the subject and reference force standards.
- Do not load between unstable surfaces or between surfaces that exceed one (1) degree deviation from parallel.
- When loading a proving ring or other instrument through a steel ball, be certain that the ball is made of hardened chrome alloy steel and that it is the recommended size to withstand the force applied. A 3/8-inch ball is used up to 3,000 pounds of force (lbf). A 7/16-inch ball is used for 5,000 lbf to 10,000 lbf. Do not use a tungsten carbide ball. Tungsten carbide is brittle and will shatter under load. Use retainer clips with the proving rings.
- When loading through a steel ball, the instrument should have a conical ball seat of the recommended size for the diameter of the ball being used. The opposing surface should also have a similar ball seat. The force must be applied axially within 1 degree. The boss of the proving ring or other instrument must bear against a flat, hardened-steel surface, and, if possible, should be restrained.
- Do not load between two steel balls unless the loading components are mechanically restrained to prevent any possible lateral movement when loaded. Additionally, make sure the surfaces of the components have the properly sized ball seats, and that the ball seats of the components are axially aligned. Use the ball retainer clips.
- Check that the area around the load-frame is free of clutter, trip hazards, soiled rags, and flammable or combustible material.
- Engage and release the load slowly and watch the reference standard and the subject to ensure that they have not shifted position. Ensure that the ram is extending evenly.
- Do not leave material under pressure in the load-frame unattended.
- Allow the machine to come to a complete stop, with the power off, before cleaning, adjusting, repairing, or leaving the machine.
- Report all equipment operation problems to management; tag equipment for non-use and lock it out as necessary.
Guard Requirements:
- Ensure that guards are in place when they are provided.
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| Hydraulic and Arbor Press |
CAUTION: Do not exceed the maximum pressure rating for the press or use unapproved press parts. Failure of the hydraulic hoses or connectors, the pressure cylinder, or the piece of material being pressed due to excess pressure could produce high-velocity fragments that would be extremely hazardous to Members of the Workforce. High-velocity jets of hydraulic fluid could also be formed which could cause personal injury or vaporize and produce a fire.
Safety Practices:
- Wear approved safety glasses.
- Do not wear neckties, loose sleeves, or loose-fitting garments.
- Roll up long sleeves above the elbow.
- Do not wear jewelry such as rings, bracelets, wristwatches, or necklaces.
- Contain long hair; do not allow it to hang loose.
- Check that the area around the press is free of clutter, tripping hazards, soiled rags, and flammable or combustible material.
- Locate the power shut-off switch and pressure release valve before machine operation.
- Inspect the press for defects before machine operation.
- Ensure that the press table is at the correct height and that all pins are properly installed in the holes in the press table. Note: The press cylinder should not be at its full extension when you perform an operation.
- Ensure that the material to be pressed is level and centered under the hydraulic ram. Bring the ram into contact with the material manually with the hand wheel, where appropriate.
- Ensure that the material to be pressed is properly shielded. The shielding should be properly installed around the pressure cylinder, pressure pump, hoses, and fittings.
- Use only approved press parts. Do not use metal scraps, pipe nipples, or other material to aid in the press operation.
- Prior to use, energize the pressure pump (where appropriate) and let it remain idle for 2 minutes to warm the hydraulic fluid.
- Engage and release the load slowly; watch the work piece to ensure that it has not shifted position and that the ram is proceeding evenly.
- Observe the load on the pressure gauge. Do not exceed the maximum rating for the press or operate in the "red" area of the gauge.
- Do not leave material under pressure in the press unattended.
- Turn the pump off when the pressing operation is completed.
- Clean up the machine and work area after the pressing operation is complete.
- Report all equipment operation problems to management; tag the equipment for non-use and lock it out as necessary.
Guard Requirements:
- Ensure that presses have point-of-operation guards that prevent entry of hands or fingers into the point of operation.
- When a safety factor of at least 4 (or that the guard can withstand 4 times the pressure that is applied in the operation) for pressure hardware is not practical, ensure that adequate shielding and barriers are used around the material being processed.
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| Ironworker |
Safety Practices:
- Wear approved safety glasses.
- Do not wear neckties, loose sleeves, or loose-fitting garments.
- Roll up long sleeves above the elbow.
- Do not wear jewelry such as rings, bracelets, wristwatches, or necklaces.
- Contain long hair; do not allow it to hang loose.
- Check that the area around the ironworker is free of clutter, trip hazards, soiled rags, and flammable or combustible material.
- When cutting long pieces of metal, use properly adjusted tables or stands and attach flags to the free ends of the material.
- Use all safety guards or bars during machine operation.
- Perform only one operation at a time.
- Familiarize yourself with the machine, and follow the punch and material thickness limitations schedule for the specific machine.
- Keep hands free and clear of the bar shearing, angle shearing, and the punching work area while the machine is engaged in any work tasks.
- Clean the machine and floor when operations are complete.
- Report all equipment operation problems to management; tag the equipment for non-use and lock it out as necessary.
Guard Requirements:
- Use a point-of-operation guard on all functions to prevent hands or fingers from entering the point of operation.
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| Jig Grinder |
Safety Practices:
- Wear approved safety glasses.
- Do not wear neckties, loose sleeves, or loose-fitting garments.
- Roll up long sleeves above the elbow.
- Do not wear jewelry such as rings, bracelets, wristwatches, or necklaces.
- Contain long hair; do not allow it to hang loose.
- Check that the area around the grinder is kept free of clutter, trip hazards, soiled rags, and flammable or combustible material.
- Locate the power shut-off switch before machine operation.
- Visually inspect the grinding wheel for cracks and other faults before beginning a grinding operation. Do not use a damaged wheel. Balance the wheel using the proper balancing stand for the wheel size.
- Perform a ring test on any wheel before installing it.
- Verify that all guards and splash shields are in the proper position before beginning an operation.
- Do not lay tools or stock on the machine.
- Do not leave the machine unattended unless it has reached a complete stop with the power off (except for the spindle when a warm-up cycle is required).
- Allow the machine to come to a complete stop before making any adjustments. Do not make adjustments to setups and tooling or make measurements while the machine spindle is rotating.
- Check and set the proper speed, feed, and depth of cut for the type of material being machined.
- Keep hands and fingers away from the rotating chuck and wheel while grinding.
- Verify that the wheel is rotating at the proper speed before beginning any operation.
- If coolant is required, use the proper type and amount.
- Allow the wheel to come to a complete stop before cleaning or leaving the machine.
- Clean the machine using a brush and rags. Do not use compressed air.
- Keep the floor clean and dry.
- Shut off the machine's power and return all tools and equipment to the proper storage place.
- Report all equipment operation problems to management; tag the equipment for non-use and lock it out as necessary.
Guard Requirements:
- Keep splash guards in place during the machining operation.
- Ensure that safety guards cover the spindle end, nut, and flange projections.
- Ensure that the safety guard is mounted to maintain proper alignment with the wheel.
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| Jointer |
Safety Practices:
- Wear approved safety glasses.
- Do not wear neckties, loose sleeves, or loose-fitting garments.
- Roll up long sleeves above the elbow.
- Do not wear jewelry such as rings, bracelets, wristwatches, or necklaces.
- Contain long hair; do not allow it to hang loose.
- Check that the area around the jointer is free of clutter, trip hazards, soiled rags, and flammable or combustible material.
- Locate the power shut-off switch before machine operation.
- When pushing small pieces of material through the jointer, use a C-clamp to hold a feather block to the fence or guide to keep the material down on the blades so that your fingers and hands do not pass over the cutting blades.
- Use a push-stick when cutting small material.
- Clean up the machine and floor when operations are complete.
- Report all equipment operation problems to management; tag the equipment for non-use and lock it out as necessary.
Guard Requirements:
- Ensure that the knife projections of the cutter head do not exceed 1/8 inch beyond the body of the head.
- Keep the opening of the table as small as possible.
- Ensure that each hand-fed jointer with a horizontal cutting head has an automatic guard that completely covers the head section on the working side of the fence.
- Ensure that the guard effectively keeps your hands from coming in contact with the revolving knives.
- Ensure that the guard automatically adjusts itself to cover the unused portion of the head and remains in contact with the material at all times.
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| Metal Lathe |
Safety Practices:
- Wear approved safety glasses.
- Do not wear neckties, loose sleeves, or loose-fitting garments.
- Roll up long sleeves above the elbow.
- Do not wear jewelry such as rings, bracelets, wristwatches, or necklaces.
- Contain long hair; do not allow it to hang loose.
- Check that the area around the lathe is free of clutter, trip hazards, soiled rags, and flammable or combustible material.
- Locate the power shut-off switch before machine operation.
- Use "tool-guards" to cover the exposed cutting edges of tools where incidental contact may occur.
- Verify that all guards and splash shields are in the proper position before beginning an operation.
- Use a cradle or board on the ways when removing or installing chucks and face plates.
- Inspect cutting tools for cracks or other flaws before using them. Check for proper geometry for the specific operation (facing, turning, etc.) before mounting into the tool holder.
- Use only properly ground and sharpened tools positioned on the centerline of the work piece.
- To prevent cuts, exercise caution when inserting or removing tool bits from the tool holder.
- Do not lay tools or stock on the machine. Use approved tool trays and tables.
- Make sure that the work piece, tail stock, tool bit(s), and tool posts are properly tightened.
- Use proper support for turning long stock.
- Check clearances before engaging the spindle or applying power. Turn the machine through one complete cycle by hand.
- Check and set the proper speed, feed, and depth of cut for the type of material being machined (if applicable).
- Do not leave the chuck wrench in the chuck at any time.
- Keep hands away from the rotating chuck and the work piece while machining.
- Allow the machine to come to a complete stop with the power off before adjusting. Do not adjust setups and tooling or make measurements while the machine spindle is rotating.
- Chatter often indicates that something is wrong. Unless the chatter is unavoidable, stop the machine and check the machine setup, tool bit, etc.
- Allow the machine to reach a dead stop before reversing rotation. Note: Most Hardinge -lathes have a cam feature which allows the chuck to be locked in either direction, forward or reverse. If the direction is changed, the chuck must be locked against the direction of rotation.
- Remove tool holder, tool post, and any tool in the tail stock during filing or polishing.
- Allow the machine to come to a complete stop before leaving the machine, attempting to clean the machine, or remove scrap stock or chips.
- Clean up the machine and work area after operations are complete. Use a brush for removing chips. Do not use a rag or compressed air.
- Do not touch chips with bare hands. They can cause severe cuts and burns.
- Put chips into properly marked containers.
- Return all tools and equipment to the proper storage place.
- Report all equipment operation problems to management; tag the equipment for non-use and lock it out as necessary.
Guard Requirements:
- Ensure that the point of operation of a metal lathe is covered as completely as possible by a hood or shield.
- Ensure that the operator is protected from the rotating work-holding device (chuck) by either a fixed or movable guard, device, awareness barrier, or peripheral cover. Exceptions to safeguarding the chuck include:
- When the chuck (in the clamped mode) has components that do not extend beyond the outside diameter of the holding device.
- The periphery of the body of the chuck is not irregular in shape.
- Pinch points are not created and the operator is effectively protected by location, machine components, or other means from coming in contact with these projections.
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| Milling Machine and Jig Borer |
Safety Practices:
- Wear approved safety glasses.
- Do not wear neckties, loose sleeves, or loose-fitting garments.
- Roll up long sleeves above the elbow.
- Do not wear jewelry such as rings, bracelets, wristwatches, or necklaces.
- Contain long hair; do not allow it to hang loose.
- Check that the area around the machine is free of clutter, trip hazards, soiled rags, and flammable or combustible material.
- Locate the power cut-off switch before machine operation.
- Do not remove or reverse the springs that disengage the handles from the lead screws. These springs are designed to prevent the handles from rotating and causing accidents while the power feed or rapid transverse is engaged (where applicable).
- Handle cutters carefully. They are extremely sharp. Use tool protectors or shields where practical.
- Verify that work pieces and cutting tools are secure before starting any milling operation.
- Check and set the proper speed, feed, and depth of cut for the type of material being machined.
- Allow the machine to come to a complete stop with the power off before adjusting. Do not adjust setups or make measurements while the spindle is rotating or the table feeds are engaged.
- Prior to the operation, verify that the cutter is rotating in the proper direction for the tool. A general rule is to feed against the cutter unless the machine is capable of climb cutting.
- Keep hands and fingers a minimum of 6 inches from the cutter while it is rotating.
- Do not lay tools on the machine unless a tool tray is provided.
- If cutting fluid or coolant is required, use the proper type and amount.
- Avoid jamming the saddle or the work piece into the column, cutter, etc.
- Allow the machine to come to a complete stop (using the brake, if so equipped) with the power off before leaving the machine; attempting to make measurements on the work piece; adjusting, repairing, or cleaning the machine; or removing scrap stock or chips.
- Clean up the machine and work area using a brush to remove chips. Do not use a rag or compressed air.
- Keep the floor clean of metal chips or curls and waste pieces. Put them in the proper disposal containers.
- Remove all cutters and other equipment used during the machining operation when the work has been completed and the machine has come to a complete stop. Return cutters and equipment to the proper storage place.
- Report all equipment operation problems to management; tag the equipment for non-use and lock it out as necessary.
Guard Requirements:
- Ensure that the spindle and cutting head of a mill are guarded by an adjustable shield.
- Some numerical control mills have enclosed shields. Keep them closed during automatic machining operations. See guard requirements on Numerical Control Machines.
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| Nailer |
Safety Practices:
- Wear approved safety glasses.
- Do not wear neckties, loose sleeves, or loose-fitting garments.
- Roll up long sleeves above the elbow.
- Do not wear jewelry such as rings, bracelets, wristwatches, or necklaces.
- Contain long hair; do not allow it to hang loose.
- Check that the area around nailing operation is free of clutter, trip hazards, soiled rags, and flammable or combustible material.
- Locate the power cut-off switch before operating the machine.
- Set the air pressure regulator to a pressure not to exceed 120 pounds per square inch (psi).
- Position work properly before shooting a nail. Note: These nailers have double-acting safety triggers. They are not to be shot by trigger switch alone.
- Disconnect the air hose from nailer and retract the hose into its reel when nailing operations are complete.
- Report all equipment operation problems to management; tag the equipment for non-use and lock it out as necessary.
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| Numerical Control Machines |
Safety Practices:
- Locate the emergency stop switch before machine operation.
- Be aware of what the machine will do if electric power is interrupted. Note: If the machine might injure an operator if automatically restarted after a power failure, ensure that it is equipped with a device that prevents automatic restart.
- Do not operate the machine by yourself until you become thoroughly familiar with the controls and have read the operator's manual. Ensure that a Member of the Workforce who is knowledgeable and experienced with the machine is present during this familiarization time.
- Keep your hands away from the machine when the tool changer is cycling (if applicable).
- Carefully inspect the programs before running them to check for major mistakes (e.g., tool cutting the table, clamps, wrong area of part).
- Make sure the spindle or chuck speeds are appropriate for the tools and the setup.
- Carefully check that the tool lengths are correct.
- In addition to following these instructions, follow the instructions for the corresponding conventional machine.
Guard Requirements:
- Keep all numerical control (NC) cabinets closed while operating the machines. Keep the chip guards closed during automatic machining operations.
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| Planer |
Safety Practices:
- Wear approved safety glasses.
- Do not wear neckties, loose sleeves, or loose-fitting garments.
- Roll up long sleeves above the elbow.
- Do not wear jewelry such as rings, bracelets, wristwatches, or necklaces.
- Contain long hair; do not allow it to hang loose.
- Check that the area around the planer is free of clutter, trip hazards, soiled rags, and flammable or combustible material.
- Wear approved hearing protection.
- Locate the power shut-off switch before machine operation.
- When using the planer for work on old or used materials, verify that all nails and screws have been removed prior to machine operation.
- When feeding long material into the machine, use a support stand or helper.
- Clean up the machine and work area when operations are complete.
- Report all equipment operation problems to management; tag the equipment for non-use and lock it out as necessary.
Guard Requirements:
- Ensure that each planing machine has each cutting head covered by a metal guard.
- Ensure that feed rolls are guarded. Fasten the guard to the frame that carries the rolls so that it adjusts for any thickness of stock.
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| Power Hacksaw |
Safety Practices:
- Wear approved safety glasses.
- Do not wear neckties, loose sleeves, or loose-fitting garments.
- Roll up long sleeves above the elbow.
- Do not wear jewelry such as rings, bracelets, wristwatches, or necklaces.
- Contain long hair; do not allow it to hang loose.
- Stand back from the machine while cutting is in process.
- Clamp work pieces securely; this includes bracing the ends of long material to prevent the blade from binding.
- Verify that the blade is suitable for the material being cut.
- Locate the power shut-off switch before machine operation.
- Lower the blade slowly onto the work piece.
- Start the saw after verifying that you are clear of all oscillating machine parts.
- Use the proper cutting fluid or coolant for the operation being performed.
- If the machine hangs or stops, do not attempt to free the blade until the power has been turned off. Once the blade is free, restart the cut at a slower feed rate.
- Allow the machine to come to a complete stop with the power off before leaving the machine or attempting to clean, adjust, or repair the machine or remove scrap stock or chips.
- Clean the machine and floor area when the cutting operation is complete.
- Report all equipment operation problems to management; tag the equipment for non-use and lock it out as necessary.
Guard Requirements:
- Guard all unused portions of the blade.
- Ensure that all power transmission components are totally enclosed.
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| Radial Arm Saw |
Safety Practices:
- Wear approved safety glasses.
- Do not wear neckties, loose sleeves, or loose-fitting garments.
- Roll up long sleeves above the elbow.
- Do not wear jewelry such as rings, bracelets, wristwatches, or necklaces.
- Contain long hair; do not allow it to hang loose.
- Do not wear gloves while operating this equipment.
- Locate the power shut-off switch before machine operation.
- Check that the area around the radial arm saw is free of clutter, trip hazards, soiled rags, and flammable or combustible material.
- Consult the "job select" chart for the proper blade and the correct speed for the material to be cut (wood, metal, plastic, etc.).
- Select the proper blade for the cutting operation to be performed.
- Verify that no portion of the saw blade extends beyond the edge of the table when the blade axle is against the stops at the end of the arm.
- Verify that the saw slides back to its set position when left extended in any position on the saw arm.
- When the blade is turned 180 degrees for a ripping operation, verify that the blade is locked in position and that the material is fed into the cutting blades from the proper side.
- Allow the machine to reach full operational speed before sawing.
- Stand to one side of the cutting area when pulling blades through material.
- Stand in the proper position near the saw to avoid kickbacks. Make sure kickback fingers will grip material.
- Allow the machine to come to a complete stop before leaving the machine, attempting to clean, adjust or repair the machine, or removing scrap stock or chips.
- Clean up the machine, jigs and the floor after completing the operation.
- Report all equipment operation problems to management; tag the equipment for non-use and lock it out as necessary.
Guard Requirements:
- Ensure that the upper hood completely encases the upper portion of the blade that includes the end of the saw arbor.
- Ensure that the lower portion of the blade is fully enclosed by a guarding device that will automatically adjust itself to the thickness of the stock.
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| Shaper |
Safety Practices:
- Wear approved safety glasses.
- Do not wear neckties, loose sleeves, or loose-fitting garments.
- Roll up long sleeves above the elbow.
- Do not wear jewelry such as rings, bracelets, wristwatches, or necklaces.
- Contain long hair; do not allow it to hang loose.
- Locate the power shut-off switch before machine operation.
- Check the area around the shaper is free of clutter, trip hazards, soiled rags, and flammable or combustible material.
- Verify that the guards that cover the back side and the top of the spindle are in place before beginning machine operation.
- When pushing small pieces of material such as picture frames through the shaper, use a C-clamp to hold a feather block to the shaper table in order to keep the material against the cutting blades.
- Keep fingers and hands away from the cutting blades. Use a push-stick when feeding small material through the cutting blades.
- Allow the machine to come to a complete stop before leaving the machine, attempting to clean, adjust or repair the machine, or remove scrap stock or chips.
- Clean up the machine and the floor area when shaping operations are complete.
- Report all equipment operation problems to management; tag the equipment for non-use and lock it out as necessary.
Guard Requirements:
- Ensure that the cutting heads of a shaper are enclosed within a cage or an adjustable guard.
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| Sheet Metal Shear and Break |
Safety Practices:
- Wear approved safety glasses.
- Do not wear neckties, loose sleeves, or loose-fitting garments.
- Roll up long sleeves above the elbow.
- Do not wear jewelry such as rings, bracelets, wristwatches, or necklaces.
- Contain long hair; do not allow it to hang loose.
- Wear gloves when handling sheet metal.
- Check that the area around the machine is free of clutter, trip hazards, soiled rags, and flammable or combustible material.
- Power shears and brakes should have auxiliary emergency power shut-off/stop switches. Locate these switches prior to machine operations.
- Do not attempt to shear or bend any brittle material on or with equipment that is not specifically designed to handle the hazards associated with the material.
- Plan and mark all shears or bends before beginning the operation.
- Do not exceed the equipment shearing and breaking ratings for the thickness or type of material.
- When operating the break, adjust the feet to the proper position for the desired bend angle/radius and tighten securely.
- Keep both hands on handle(s) during the entire shearing or bending process.
- Allow the machine to come to a complete stop before leaving the machine or attempting to clean, adjust, or repair the machine or remove stock.
- Report all equipment operation problems to management; tag the equipment for non-use and lock it out as necessary.
Guard Requirements:
- Ensure that the shears and breaks have point-of-operation guards that prevents entry of hands or fingers into the point of operation.
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| Surface Grinder |
Safety Practices:
- Wear approved safety glasses.
- Do not wear neckties, loose sleeves, or loose-fitting garments.
- Roll up long sleeves above the elbow.
- Do not wear jewelry such as rings, bracelets, wristwatches, or necklaces.
- Contain long hair; do not allow it to hang loose.
- Check that the area around the grinder is free of clutter, trip hazards, soiled rags, and flammable or combustible material.
- Locate the power shut-off switch before machine operation.
- Visually inspect the grinding wheel for cracks and other faults before beginning a grinding operation. Never use a damaged wheel. Ensure correct mounting and balance. Note: The grinding wheels are very fragile. Handle with care.
- Verify that the magnetic chuck is on and working properly before starting any grinding operation.
- Do not lay tools or stock on the machine.
- Keep hands and fingers a minimum of 6 inches away from the wheel while it is rotating.
- If coolant is required, use the proper type and amount.
- Do not leave the machine unattended unless it has reached a complete stop with the power off (except for the spindle when a warm-up cycle is required).
- Allow the machine to come to a complete stop with the power switch in the "off" position before attempting to clean, adjust, or repair the machine.
- Clean the machine using a brush and rags. Do not use compressed air.
- Keep the floor clean and dry.
- Return all tools and equipment to the proper storage place.
- Report all equipment operation problems to management; tag the equipment for non-use and lock it out as necessary.
Guard Requirements:
- Keep splash guards in place during the machining operation.
- Ensure that safety guards cover the spindle end, nut, and flange projections.
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| Table Saw |
Safety Practices
- Wear approved safety glasses.
- Do not wear neckties, loose sleeves, or loose-fitting garments
- Roll up long sleeves above the elbow.
- Do not wear jewelry such as rings, bracelets, wristwatches, or necklaces.
- Contain long hair; do not allow it to hang loose.
- Locate the power shut-off switch before machine operation.
- Check that the area around the machine is free of clutter, trip hazards, soiled rags, and flammable or combustible material.
- Use correctly placed and approved safety guards at all times unless the blade is angled for an angled cut or the dado blades are being used.
- Immediately replace the guard after completing an operation in which the guard could not be used. Ensure the blade has come to a complete stop prior to replacing the guard.
- Consult the "job select" chart for the proper blade and the correct speed for the material to be cut (wood, metal, plastic, etc.
- Select the proper blade for the material being cut and check the condition of the cutting blade before use.
- Allow the machine to reach full operational speed before sawing.
- Do not let cutting blades extend more than 1/4 inch above the material being cut.
- When pushing small pieces of material through the saw blade, use a push stick to push the material past the blade.
- On special setups, use approved C-clamps and jigs.
- Stand in the proper position near the saw to avoid kickbacks.
- Allow the machine to come to a complete stop before leaving the machine, attempting to clean, adjust, or repair the machine, or remove scrap stock or chips.
- Clean up the machine, jigs, and floor area after completing the operation.
- Report all equipment operation problems to management; tag the equipment for non-use and lock it out as necessary.
Guard Requirements:
- Ensure that the table saw blade is guarded by a hood that completely encloses the portions of the blade above the table and above the material being cut.
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| Vertical Boring Mill |
Safety Practices:
- Wear approved safety glasses.
- Do not wear neckties, loose sleeves, or loose-fitting garments.
- Roll up long sleeves above the elbow.
- Do not wear jewelry such as rings, bracelets, wristwatches, or necklaces.
- Contain long hair; do not allow it to hang loose.
- Check that the area around the machine is free of clutter, trip hazards, soiled rags, and flammable or combustible material.
- Locate the power cut-off switch before machine operation.
- Exercise caution when inserting or removing tool bits from the tool holder. They are extremely sharp. Use "tool-guards" to cover the exposed cutting edges of tools when incidental contact may occur, or move the tool well out of the way from possible contact.
- Visually inspect cutting tools before using them. Inspect for cracks or other flaws and proper geometry for the specific operation (facing, turning, etc.) before mounting into the tool holder.
- Use only properly ground and sharpened tools positioned at the centerline of the work piece.
- Visually inspect the chuck jaws, fixtures, and setup bolts before using them.
- Use proper support (iron maidens) for turning tall and nonrigid parts.
- Make sure that the work piece, holding fixtures, tools, and tool posts are properly tightened. Use a torque wrench for tightening the chuck jaws and all setup bolts on "iron maidens" to prescribed torque values.
- Verify that all guards and splash shields are in the proper position before beginning an operation.
- Do not lay tools or stock on the machine.
- Do not adjust setups and tooling or make measurements while the machine table is rotating.
- Check clearances before engaging the spindle. Slowly jog the machine through one complete cycle.
- Do not stand on the table while the table is turning.
- Check and set the proper speed, feed, and depth of cut for the type of material being machined. Use appropriate values for the setup and machine capabilities.
- Chatter often indicates that something is wrong. Unless the chatter is unavoidable, stop the machine and check the setup, tool bit, etc.
- Do not leave the chuck wrench in the chuck at any time.
- Prior to using the ram-rapid transverse:
- Set the engagement levers (Hypro).
- Test jog in the safe direction to ensure proper clearance.
- Rapid transverse to the final position.
- Do not lean over the table or the work piece, while the table is turning. If inspection or lubrication is necessary while the machine is operating, devise methods that do not require reaching over the table.
- Follow proper rigging procedures while lifting fixtures, tool holders, boring bars, and parts.
- Do not touch chips with bare hands. The chips can cause severe cuts and burns.
- Allow the machine to come to a complete stop before reversing rotation.
- Use caution while filing or polishing parts, especially when the table is rotating. Use the manlift while polishing parts to preclude being caught in the machine.
- Keep away from the rotating table, fixtures, and the work piece part while machining.
- Limit the amount of incidental contact in the immediate work area (as defined by a yellow stripe on the floor) by individuals not directly associated with the machining operation.
- Allow the machine to come to a complete stop with the power off before attempting to remove parts or clean the chips from the pan or table. The table can be turning slowly (25 rotations per minute [rpm] maximum) while you use the coolant supply nozzle or a broom to clean chips from the table, provided that the guards are in place.
- Clean up the machine and work area using a brush or other appropriate tool to remove chips and scrap material. Do not use a rag or compress air.
- Keep the floor clean of metal chips or curls and waste pieces. Put them in the proper disposal containers.
- When operations are complete, shut off the power to the machine and return all tools and equipment to the proper storage place.
- Report all equipment operation problems to management; tag the equipment for non-use and lock it out as necessary.
Out-of-Balance and Off-Center Setups:
- If counterweights are used on the table, incorporate positive stops to ensure that the counterweight will not slip.
- Use a torque wrench to properly tighten all setup bolts.
- Proof-test the setup. Clear the area of other individuals and Members of the Workforce. Shield the work while completing the tests.
- Inspect the bolts, evaluate their condition, and replace them as needed.
- Have management review all out-of-balance or off-center setups before you start the machining operations.
Guard Requirements:
- Ensure that the point of operation is guarded by a shield. The shields must be in place during machining operations.
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